Z Score Calculator

Calculate standard score easily

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Mean Value

Value (X)

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Mean (μ)

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Std Dev (σ)

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Results

Z Score: 0

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Z Score Calculator – Standard Score Formula

A Z score calculator helps you determine how many standard deviations a value is from the mean.

Formula: Z = (X - μ) / σ

For example, if X=85, μ=75, σ=5 → Z = 2.

Used in statistics, data science, and probability.

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